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NaHCO₃

Sodium bicarbonate

IUPAC : Sodium bicarbonate
SaltCarbonateEverydayFoodPharmaceuticalIndustrial

Mild alkaline salt found everywhere: baking raiser in cooking, antacid in pharmacy, eco-friendly household cleaner and industrial pH regulator. Decomposes above 50 °C into Na₂CO₃, H₂O and CO₂.

3D ball-and-stick representation of Sodium bicarbonate (formula NaHCO₃). Constituent atoms: Na, H, C, O.
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Physical properties

Molar mass84.0066 g/mol
State at 20 °Csolid
Density2.2 g/cm³
Melting point—
Boiling point—
Solubility (H₂O)9.6 g/100 mL à 20 °C

Structure

Crystal systemMonoclinic
3D render modeBall-and-stick

Uses and applications

  • Baking powder (with an acid, releases CO₂)
  • Antacid (relieves heartburn)
  • Eco-friendly household cleaner (mild abrasive)
  • Class B and C fire extinguisher
  • Pool water treatment (pH adjustment)
  • Deodoriser (fridges, shoes)

Constituent elements

11Na
Sodium
1H
Hydrogen
6C
Carbon
8O
Oxygen

References

PubChem CID516892
CAS144-55-8
SMILES[Na+].OC([O-])=O
Sources : PubChem CID 516892 · CRC Handbook of Chemistry and Physics

Related processes

Industrial processes involving this compound.